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This paper is concerned with an advanced control system for tilting-ladle type automatic pouring machine used in metal-casting industry. In order to pour precisely the liquid outflow from a ladle into a sprue cup of mold, the falling position control system of the outflow liquid is proposed in this paper. In the proposed approach, the mathematical model on the falling position of the outflow liquid is derived from the shape of the ladle and the pouring conditions. The proposed mathematical model is verified by the experiments with the monitoring system to the trajectory of the outflow liquid. The falling position control is constructed by feedforward control using the proposed falling position mathematical model. The effectiveness of the proposed control system is validated through the experiments using the automatic pouring machine with the monitoring system.

Falling Position Control of Outflow Liquid from Ladle in Tilting-Ladle Type Automatic Pouring Machine